Overview

overview

10

Static

static

3

crt.exe

windows7-x64

10

crt.exe

windows10-1703-x64

10

crt.exe

windows10-2004-x64

10

crt.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    crt.exe

  • Size

    5.1MB

  • Sample

    240625-rfa77sthpe

  • MD5

    101f00585e773ec198e3e0721f0d582d

  • SHA1

    c1ca25c1f6e709f61596d2be1843a629b171dd59

  • SHA256

    6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be

  • SHA512

    15c06517403fd1d492b40f3c8a60c392dc6a6087e8b9610e022906b977dc45b9087ed3e7b2091ff8522b766c9f441da2797bb70fb7942400f699a9717402c556

  • SSDEEP

    98304:mkwXtlj7PeddJb7xJvyRgG6P7rTpc91us3KLCZTf9X8oK878t:2Laddz1ymG6P7rtcCSKLCZD93C

Score
10/10
socks5systemzbotnetdiscovery

Malware Config

Extracted

Family

socks5systemz

C2

bheuiyo.com

http://bheuiyo.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa4de8889b5e4fa9281ae978a071ea771795af8e05c645db22f31df92d8b38e316a667d307eca743ec4c2b07b52966923a6e8dfd15c5ec96

http://bheuiyo.com/search/?q=67e28dd86554fa2a495aa4197c27d78406abdd88be4b12eab517aa5c96bd86e9938745885a8bbc896c58e713bc90c91836b5281fc235a925ed3e03d6bd974a95129070b616e96cc92be20ea778c255bbe258b90d3b4eed3233d1626a8ff810c9ec979e3ece6c

bfuzipi.com

http://bfuzipi.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa49e8889b5e4fa9281ae978f271ea771795af8e05c645db22f31dfe339426fa11a366c350adb719a9577e55b8603e983a608ff612c2eb909939

http://bfuzipi.com/search/?q=67e28dd8685af379125bfd4e7c27d78406abdd88be4b12eab517aa5c96bd86ee92824e865a8bbc896c58e713bc90c91c36b5281fc235a925ed3e51d6bd974a95129070b616e96cc92be510b866db52bee348ee4c2b14a82966836f23d7f210c7ee9c9939c96a9514

eberzge.ua

http://eberzge.ua/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa44e8889b5e4fa9281ae978f771ea771795af8e05c645db22f31dfe339426fa11af66c152adb719a9577e55b8603e983a608ff612c2eb909939

http://eberzge.ua/search/?q=67e28dd86e09a721465dff1c7c27d78406abdd88be4b12eab517aa5c96bd86e590834596148ab2865b77f80ebad9cc0f7cb63037ed2ab423a4324383ba915d911ec07bb606a0708727e40ea678c45abbe74ffb0e2807e12571c17f3e83fe16c1e696983fc86c94

ccusuvq.net

http://ccusuvq.net/search/?q=67e28dd83e55f3201607a91c7c27d78406abdd88be4b12ebb517aa5c96bd86ed82df14d714bca5817673aa48e8889b5e4fa9281ae978ff71ea771795af8e05c645db22f31dfe339426fa12a466c553adb719a9577e55b8603e983a608ff612c2eb909939

Targets

    • Target

      crt.exe

    • Size

      5.1MB

    • MD5

      101f00585e773ec198e3e0721f0d582d

    • SHA1

      c1ca25c1f6e709f61596d2be1843a629b171dd59

    • SHA256

      6185fdacf0b903ea8bb2eee380a0c60e314ad7da93c7833b188c796f3f97b5be

    • SHA512

      15c06517403fd1d492b40f3c8a60c392dc6a6087e8b9610e022906b977dc45b9087ed3e7b2091ff8522b766c9f441da2797bb70fb7942400f699a9717402c556

    • SSDEEP

      98304:mkwXtlj7PeddJb7xJvyRgG6P7rTpc91us3KLCZTf9X8oK878t:2Laddz1ymG6P7rtcCSKLCZD93C

    Score
    10/10
    socks5systemzbotnetdiscovery

    • Detect Socks5Systemz Payload

    • Socks5Systemz

      Socks5Systemz is a botnet written in C++.

      botnetsocks5systemz

    • Executes dropped EXE

    • Loads dropped DLL

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery
    behavioral1behavioral2behavioral3behavioral4

MITRE ATT&CK Enterprise v15

Tasks